Home / 7,846.58-10,817.70-6,722.66

Finding the Fourth Proportional to 7,846.58, 10,817.70 and 6,722.66

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Solution

The fourth proportional to 7,846.58, 10,817.70 and 6,722.66 is: 9,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.58 : 10,817.70 = 6,722.66 : x
  2. Step 2: Convert to fraction form
    7,846.58/10,817.70 = 6,722.66/x
  3. Step 3: Cross multiply
    7,846.58x = 10,817.70 × 6,722.66
  4. Step 4: Simplify right side
    7,846.58x = 72,723,719.08
  5. Step 5: Solve for x
    x = 72,723,719.08/7,846.58
  6. Step 6: Final answer
    x = 9,268.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.